Why an ACS800 buyer ends up here
The ACS800-01-11A0-5: ACS800-01 drives are the legacy generation that preceded the current ACS880-01 platform, so the typical RFQ on this order code is one of three patterns: a line-down replacement where an installed unit has failed and the panel was originally specified around the ACS800 family; a spare-parts stocking decision for an installed base the buyer is no longer willing to re-engineer around the newer ACS880 platform; or a parallel import / refurb channel where a matching ACS800 is the only frame that drops into an existing wiring layout without rework. In all three cases, the procurement question is fit and availability, not feature comparison.
Sourcing posture
The order code is held in the sourcing book as an ABB legacy drive and is quoted to order against an RFQ through the active ABB channel and the parallel ABB-aligned spare-parts network — the right move for a buyer with a confirmed fit is to send the panel's nameplate data and the existing parameter file with the RFQ so the quote matches the actual frame and firmware revision on site rather than a generic catalog line.